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PRIORITIZING BRIDGES TO REPAIR BASED ON RISK

  • US 20100241609A1
  • Filed: 09/30/2009
  • Published: 09/23/2010
  • Est. Priority Date: 03/17/2009
  • Status: Active Grant
First Claim
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1. Computer-readable media having computer-executable instructions embodied thereon that, when executed, cause a computing device to perform a method of calculating a risk of not repairing a bridge, the method comprising:

  • generating a live-load-risk factor for a bridge based on an overload probability and an operating rating;

    generating a bridge-condition risk factor for the bridge based on an average structural condition of bridge elements;

    generating a probability-of-failure factor for the bridge by combining the live-load-risk factor for the bridge with the bridge-condition risk factor for the bridge;

    generating a consequence-of-failure factor for the bridge;

    generating an overall risk factor for the bridge that is a product of multiplying the consequence-of-failure factor for the bridge and the probability-of-failure factor for the bridge; and

    storing the overall risk factor for the bridge in a data store.

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